{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["patch", "patch number", "time", "releaser", "common vulnerabilities and exposures", "vulnerable system", "vulnerable system version", "issues addressed", "supported platform"]}], "input": "Microsoft quietly fixed the issue on Windows 10 Redstone 4 ( v1803 ) , also known as the April 2018 Update , released on Monday ."}
{"patch vulnerability": [{"patch": "NAN", "patch number": "NAN", "time": "Monday", "releaser": "NAN", "common vulnerabilities and exposures": "NAN", "vulnerable system": "NAN", "vulnerable system version": "NAN", "issues addressed": "NAN", "supported platform": "NAN"}]}